- Arm I: Patients wear Sea-Band elastic acupressure wristbands on each wrist beginning approximately 1 hour before beginning their first inpatient chemotherapy session and continuing for at least 24 hours after completing chemotherapy. Patients do not wear wristbands for their second chemotherapy session. Patients wear placebo wristbands on each wrist beginning approximately 1 hour before their third chemotherapy session and continuing for at least 24 hours after completing chemotherapy.